TTL-based ephemeral store
Every message has an expiration. Cassandra with TTL, aggressive compaction. Once TTL fires, message + media deleted from all replicas.
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TTL-based ephemeral store
Every message has an expiration. Cassandra with TTL, aggressive compaction. Once TTL fires, message + media deleted from all replicas.
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Media CDN with auto-delete
Snaps uploaded once, cached at edges. Deletion propagates through invalidation. Truly gone after ~30 days retention window for legal.